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Proof step 12 from proof intshiftrsign-rec-pos (previous step)

¬ 1 < i, i0 < 31, 0 ≤ i, 0 ≤ i0 ⊦ bits2int(sublist(0, # int2bits(i), mklist(false, i→n(band(i0 + 1, 31))) + int2bits(i))) = bits2int(sublist(0, # int2bits(i / 2), mklist(false, i→n(band(i0, 31))) + int2bits(i / 2)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ i < j ↔ j ≤ i;